Winfrey is to appear on the Aug. 1 edition of the late-night chat program to promote her new movie, "Lee Daniels' The Butler."
This will mark her second visit to "Late Show."
"Prior to her 2005 appearance, Letterman had expressed his long-standing desire to have Ms. Winfrey as a guest on the show," CBS said in a news release.
"Her 'Late Show' visit on Dec. 1, 2005, coincided with the red carpet premiere for the Broadway musical 'The Color Purple,' which she produced. With fans and media cheering on, Letterman famously escorted Ms. Winfrey after the interview taping down Broadway to The Broadway Theatre, directly across the street from the Ed Sullivan Theater, to the musical's premiere."
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